Interactive device capable of improving image processing

an interactive device and image processing technology, applied in the field of interactive devices, can solve the problems of large amount of sensed data, large burden on image data processing, slow parallel transmission speed of complex hardware structures, etc., and achieve the effect of speeding up image processing and reducing the complexity of the design of the control circui

Active Publication Date: 2010-07-15
PIXART IMAGING INC
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Benefits of technology

This solution enhances image processing efficiency by reducing the computational load on control circuits and simplifying design, enabling faster data transmission and processing of image data, thereby improving the performance and development speed of interactive devices.

Problems solved by technology

The huge amount of the sensed data is considerable, however, and the velocity of parallel transmission with complex hardware structures is slower than that of serial transmission with the high development of serial transmission.
As a result, if users utilize the conventional image sensor 12 for generating pixel data, the micro-controller 14 has to receive and process all pixel data, resulting in a major burden while processing the image data.

Method used

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  • Interactive device capable of improving image processing
  • Interactive device capable of improving image processing
  • Interactive device capable of improving image processing

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Embodiment Construction

[0016]Please refer to FIG. 2. FIG. 2 is a functional block diagram of the interactive device 30 according to the present invention. The interactive device 30 can be a mouse or an interactive toy. The interactive device 30 contains a processing module 44 that is a chip and a control circuit 46. The processing module 44 includes an image sensor 42, which is a charge-coupled device (CCD) or a CMOS optical sensor, for generating a plurality of digital pixel signals, and then transmitting the plurality of pixel signals to the processing module 44. The processing module 44 comprises a substrate 41, an estimation unit 45, a calculation unit 46, and transmission interfaces 48, 52. The image sensor 42, the estimation unit 45, the calculation unit 46, and the transmission interfaces 48, 52 are all formed on the substrate 41.

[0017]Please refer to FIG. 3. FIG. 3 shows multiple image pictures. Each picture comprises a plurality of pixel signals. Take the picture of 800*600 pixels for example. Th...

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Abstract

An interactive device for improving image processing. The interactive device includes a processing module and a controller. The processing module includes a substrate, an image sensor formed on the substrate for generating a plurality of pixel signals, a calculation unit formed on the substrate for calculating at least one motion vector based on the plurality of pixel signals, and a transmission interface formed on the substrate for serially outputting the motion vector. The controller is used for controlling operation of the interactive device based on the motion vector output by the transmission interface

Description

CROSS REFERENCE TO RELATED APPLICATIONS [0001]This application is a continuation of applicant's earlier application, Ser. No. 10 / 904,301, filed Nov. 3, 2004, which is hereby incorporated by reference in its entirety.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention relates to an interactive device, and more specifically, to an interactive device capable of improving image processing.[0004]2. Description of the Prior Art[0005]With the popularization of multimedia applications, conventional image sensors installed within digital devices, such as digital video camcorders and digital still cameras (DSC), are used for taking moving images. Generally speaking, image sensors with higher resolutions are able to produce high quality digital images, and thus can be used for image distinguishing and fingerprint identification purposes. Image sensors with lower resolution, however, are used in interactive toys for simple motion distinguishing purposes. Take m...

Claims

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Application Information

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Patent Type & AuthorityApplications(United States)
IPC IPC(8): H04N5/228H04N23/40H04N25/00
CPCH04N3/1562H04N25/76
InventorLEE, HSUAN-HSIENYANG, CHIN-HSINCHAO, TZU-YI
OwnerPIXART IMAGING INC